New to asynchronous programming? Learn what it’s about, how to use the async and await keywords, avoid deadlock pitfalls and refactor blocking C# code.
The async and await keywords were introduced in C## to make asynchronous programming on the .NET platform easier. These keywords have fundamentally changed how code is written in most of the C## ecosystem. Asynchronous programming has become mainstream, and modern frameworks such as ASP.NET Core are fully asynchronous.
Having such an impact on the C## ecosystem, asynchronous programming proves to be quite valuable. But what is asynchronous programming in the first place?
This article is going to introduce asynchronous programming, show usage of
await keywords, talk about the deadlock pitfall and finish with some tips for refactoring blocking C## code with these keywords.
Let’s start with terminology.
What are the differences between these three terms? All of them are applications of multi-threading, their definitions overlap, and they are often used interchangeably. That’s why the terminology for implementations that leverage multi-threading can be confusing.
We’ll go through the nuances between these terms, so that we can come up with a clear definition for asynchronous programming.
Let’s assume a GUI application as an example.
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Before I get too deep into C, I need to show you how to get data into and out of your programs. Using assignment for data gets old after a while and you want to be able to have users enter their own data. And you definitely need to be able to see what happens to your data in a program so learning how to display data to the screen is important and necessary.
Besides demonstrating how to perform input and output in C, I will also be demonstrating two templates that are related to those topics — Prompt, Then Read and Input, Process, Output (IPO). The IPO template, in particular, is important because practically every C program you write will use this template.
When I talk about input and output in C, I’ll use the terms standard input and standard output. These terms refer to the default input and output devices on your computer. The standard input device is the keyboard. The standard output device is the computer’s monitor or screen. I will only use the terms input and output and when I use those terms I’m referring to standard input and standard output. If I want to refer to a different device for input and/or output, I’ll use the specific term for that device.
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We realized that compiling already existing C/C++ projects to WASI was much more challenging than we expected. This is because of two main reasons:
Inspired by these challenges we have been working non-stop on improving the tooling so it’s easier for anyone to use and adopt WebAssembly and WASI!
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C Language is an evergreen language and is used widely across different industries, This C programming is a must for students and working professionals to become a great Software Engineer especially when they are working in Software Development Domain. Great Learning brings you this live session on “Introduction to C”. In this live session, we will be covering major concepts in C Programming such as Different Variables, Different Data Types that are being used, its Operators, Flow control statements, Structure, and lot more.
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